手機(jī)版
FX135A-327美國(guó)FOX?？怂咕д袷褂玫诫娮赢a(chǎn)品上回流焊的溫度多少
FX135A-327美國(guó)FOX福克斯晶振使用到電子產(chǎn)品上回流焊的溫度多少
標(biāo)準(zhǔn)規(guī)格最大參數(shù)(除非另有說明) 頻率范圍32.768千赫25°C時(shí)的頻率容差(見以下選項(xiàng))頻率穩(wěn)定性,ref25°C(溫度系數(shù))-0.04PPM/(°C)2溫度范圍營(yíng)業(yè)額(至)運(yùn)營(yíng)(TOPR)存儲(chǔ)(TSTG)+20攝氏度至+30攝氏度-40攝氏度至+85攝氏度-55攝氏度至+125攝氏度等效串聯(lián)電阻(RS)70kω負(fù)載電容(CL)(福克斯石英晶振見以下選項(xiàng))絕緣電阻@100VDC500mωMin驅(qū)動(dòng)電平0.5W(典型值0.1W)每年老化(@25°C)3PPM最大焊接溫度/時(shí)間260°C/10秒x2濕度敏感度等級(jí)(MSL)j-標(biāo)準(zhǔn)-033數(shù)字一（one）鎳上的終端涂層金密封方法接縫無鉛(Pb)是符合RoHS標(biāo)準(zhǔn)
FX135A-327石英晶體,美國(guó)FOX?？怂咕д?/strong>
| FX135A-327 | Fox Electronics | FX135A | kHz Crystal (Tuning Fork) | 32.768kHz | - | 2-SMD, No Lead | 0.126" L x 0.059" W (3.20mm x 1.50mm) | 0.035" (0.90mm) |
| FX135A-327 | Fox Electronics | FX135A | kHz Crystal (Tuning Fork) | 32.768kHz | - | 2-SMD, No Lead | 0.126" L x 0.059" W (3.20mm x 1.50mm) | 0.035" (0.90mm) |
| FX135A-327 | Fox Electronics | FX135A | kHz Crystal (Tuning Fork) | 32.768kHz | - | 2-SMD, No Lead | 0.126" L x 0.059" W (3.20mm x 1.50mm) | 0.035" (0.90mm) |
| FSRLF327 | Fox Electronics | FSRLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SOJ, 5.50mm pitch | 0.343" L x 0.146" W (8.70mm x 3.70mm) | 0.098" (2.50mm) |
| FSRLF327 | Fox Electronics | FSRLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SOJ, 5.50mm pitch | 0.343" L x 0.146" W (8.70mm x 3.70mm) | 0.098" (2.50mm) |
| FSRLF327 | Fox Electronics | FSRLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SOJ, 5.50mm pitch | 0.343" L x 0.146" W (8.70mm x 3.70mm) | 0.098" (2.50mm) |
| FSXLF327 | Fox Electronics | FSXLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SMD, Flat Lead, 3 Leads | 0.276" L x 0.060" W (7.00mm x 1.50mm) | 0.055" (1.40mm) |
| FSXLF327 | Fox Electronics | FSXLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SMD, Flat Lead, 3 Leads | 0.276" L x 0.060" W (7.00mm x 1.50mm) | 0.055" (1.40mm) |
| FSXLF327 | Fox Electronics | FSXLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SMD, Flat Lead, 3 Leads | 0.276" L x 0.060" W (7.00mm x 1.50mm) | 0.055" (1.40mm) |
| FOXSLF/080-20 | Fox Electronics | HC49SLF | MHz Crystal | 8MHz | ±50ppm | HC49/US | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.142" (3.60mm) |
| FQ5032B-12.000 | Fox Electronics | C5BQ | MHz Crystal | 12MHz | ±30ppm | 4-SMD, No Lead | 0.197" L x 0.126" W (5.00mm x 3.20mm) | 0.047" (1.20mm) |
| FQ5032B-12.000 | Fox Electronics | C5BQ | MHz Crystal | 12MHz | ±30ppm | 4-SMD, No Lead | 0.197" L x 0.126" W (5.00mm x 3.20mm) | 0.047" (1.20mm) |
| FQ5032B-12.000 | Fox Electronics | C5BQ | MHz Crystal | 12MHz | ±30ppm | 4-SMD, No Lead | 0.197" L x 0.126" W (5.00mm x 3.20mm) | 0.047" (1.20mm) |
| FQ5032B-25.000 | Fox Electronics | C5BQ | MHz Crystal | 25MHz | ±30ppm | 4-SMD, No Lead | 0.197" L x 0.126" W (5.00mm x 3.20mm) | 0.047" (1.20mm) |
| FQ5032B-25.000 | Fox Electronics | C5BQ | MHz Crystal | 25MHz | ±30ppm | 4-SMD, No Lead | 0.197" L x 0.126" W (5.00mm x 3.20mm) | 0.047" (1.20mm) |
| FQ5032B-25.000 | Fox Electronics | C5BQ | MHz Crystal | 25MHz | ±30ppm | 4-SMD, No Lead | 0.197" L x 0.126" W (5.00mm x 3.20mm) | 0.047" (1.20mm) |
| FSMLF327 | Fox Electronics | FSMLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SOJ, 2.29mm pitch | 0.410" L x 0.160" W (10.41mm x 4.06mm) | 0.140" (3.56mm) |
| FSMLF327 | Fox Electronics | FSMLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SOJ, 2.29mm pitch | 0.410" L x 0.160" W (10.41mm x 4.06mm) | 0.140" (3.56mm) |
| FSMLF327 | Fox Electronics | FSMLF | kHz Crystal (Tuning Fork) | 32.768kHz | - | 4-SOJ, 2.29mm pitch | 0.410" L x 0.160" W (10.41mm x 4.06mm) | 0.140" (3.56mm) |
晶體單元搬運(yùn)注意事項(xiàng)
1)安裝注意事項(xiàng) FX135A-327石英晶體,美國(guó)FOX?？怂咕д?/strong>
如果電路板變形,例如安裝后彎曲、之間的焊接點(diǎn)剝落晶體諧振器和電路板可能會(huì)在陶瓷封裝中產(chǎn)生裂紋,導(dǎo)致?lián)p耗 真空、內(nèi)部元件的破壞等.尤其是當(dāng)重新鋪設(shè)它所在的板時(shí)安裝時(shí),可能會(huì)施加較大的應(yīng)力,請(qǐng)考慮電路板布局和切割最小化產(chǎn)品壓力的方法. 當(dāng)智能手機(jī)晶振產(chǎn)品自動(dòng)安裝在板上時(shí),如果晶體受到較大沖擊 諧振器,特性可能會(huì)改變/惡化,或者產(chǎn)品可能壞掉了.
當(dāng)自動(dòng)安裝時(shí),請(qǐng)考慮對(duì)晶體單元的沖擊來設(shè)置條件. 此外,請(qǐng)事先進(jìn)行安裝測(cè)試,并確認(rèn)對(duì)沒有影響晶體諧振器的特性. 當(dāng)出現(xiàn)以下情況時(shí),由于長(zhǎng)時(shí)間反復(fù)劇烈的溫度變化,焊接部分可能會(huì)出現(xiàn)裂紋由于電路板的膨脹系數(shù)不同于 水晶包裝.在這種情況下使用時(shí),請(qǐng)事先進(jìn)行測(cè)試并確認(rèn)對(duì)石英晶體諧振器單元沒有影響. 陶瓷封裝是小而薄的產(chǎn)品.因此,如果/當(dāng)你安裝后返工,請(qǐng)給考慮選擇和處理要使用的工具. FX135A-327石英晶體,美國(guó)FOX?？怂咕д?/strong>
2)焊接
以下是典型的SMD無鉛回流焊曲線:
高溫下過長(zhǎng)的加熱時(shí)間可能導(dǎo)致特性惡化,并且可能
打破水晶裝置.對(duì)于手工返工,在300℃或更低的溫度下加熱引線部分5秒或更短時(shí)間.
3)清潔 FX135A-327石英晶體,美國(guó)FOX?？怂咕д?/strong>
因?yàn)樾《〉?a title="石英晶振" href="http://www.upap-pt.com/CTScrystal.html" target="_blank">石英晶振晶體芯片被用于音叉晶體單元,并且頻率接近
超聲波清洗機(jī),水晶片容易破碎.因此,不要進(jìn)行超聲波清洗.
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